Why...?

Why do we press harder on a remote control when we know the batteries are getting weak?
Why do banks charge a fee on "insufficient funds" when they know there is not enough money in the account already?
Why does someone believe you when you say there are four billion stars in the sky, but check when you say the paint is wet?
Why doesn't glue stick to the bottle?
Why do they use sterilized needles for death by lethal injection?
Why does Superman stop bullets with his chest, but he ducks when you throw a revolver at him?
Why do Kamikaze pilots wear helmets?
Why are there still apes if people evolved from apes?
Why is it that no matter what colour bubble bath you use the bubbles are always white?
Why do people constantly return to the refrigerator with hopes that something new to eat will have materialized?
Why and how do those dead insects get into those enclosed light fixtures?
Why do we say "It's all right" when we are in the supermarket and someone rams our ankle with a shopping trolley then apologizes for doing so. Well, it isn't all right, so why don't we say, "That hurt, you stupid idiot?"
Why is it that whenever you attempt to catch something that's falling off the table you always manage to knock something else over?
Why is it that you never hear father-in-law jokes?

Pls comment if you have answers to any of these "Why".